<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <style>
        div{
            width:80%;
            height:200px;
            border:2px solid red;
        }

    </style>
</head>
<body>
<h1>欢迎来到网站首页</h1>
<div>
    <ul>
        <li>hello</li>
        <li>world</li>
        <li>!</li>
    </ul>

     <from action="" method="get">
        <p><input type="text" placeholder="请输入用户名"></p>
        <p><input type="text" placeholder="请输入地址"></p>
        <p><input type="submit" value="提交"></p>
    </from>
</div>
</body>
</html>